A legal document that establishes a person's Residence at the time of their death. An affidavit of domicile is a short legal document that helps to establish a person's place of residence following his or her death.Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. An affidavit of domicile is a legal document used to establish a deceased person's primary residence at the time of their death. Country of domicile is the country where you make your permanent home. "State of legal residence" (SLR) and "domicile" mean the same thing, namely your true, fixed, and permanent abode. Domicile means your country of residence. It can either indicate where you currently reside or where you plan to for the foreseeable future. Simply put, your domicile is your home—the state you consider your permanent place of residence.